Merge "Use SP for folder text size." into sc-dev am: 3e0c115196 am: 5f7e2cc7ea

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14460335

Change-Id: Idecc7ada5fc5dbcc86b3fd0b4e86896a71eae6c1